/*
 *
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.flink.connector.phoenix.internal.converter;

import org.apache.flink.connector.phoenix.statement.FieldNamedPreparedStatement;
import org.apache.flink.table.data.RowData;

import java.io.Serializable;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * Converter that is responsible to convert between JDBC object and Flink SQL internal data
 * structure {@link RowData}.
 */
public interface JdbcRowConverter extends Serializable {

    /**
     * Convert data retrieved from {@link ResultSet} to internal {@link RowData}.
     *
     * @param resultSet ResultSet from JDBC
     */
    RowData toInternal(ResultSet resultSet) throws SQLException;

    /**
     * Convert data retrieved from Flink internal RowData to JDBC Object.
     *
     * @param rowData The given internal {@link RowData}.
     * @param statement The statement to be filled.
     * @return The filled statement.
     */
    FieldNamedPreparedStatement toExternal(RowData rowData, FieldNamedPreparedStatement statement)
            throws SQLException;
}
